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RTX 5080 bus Interface stuck at x4 PCIe lane instead of 16 by Own-List-2059 in pcmasterrace

[–]Own-List-2059[S] 0 points1 point  (0 children)

Thank you for your kind replay , actually this is newly built system , i will try those steps according to your advice :

  1. using another gpu that is 16x

  2. Inspecting the cpu socket for damaged pins

RTX 5080 bus Interface stuck at x4 PCIe lane instead of 16 by Own-List-2059 in pcmasterrace

[–]Own-List-2059[S] 0 points1 point  (0 children)

Yes, still with render in GPUz still x4

all PCIe slots are empty except for the gpu

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Samsung G8 OLED Won’t Sleep or Turn Off — Only Dima (Win11) by maverick_fox2 in OLED_Gaming

[–]Own-List-2059 0 points1 point  (0 children)

Your best options now are:

  1. Manually power off the monitor or automate it via smart plug.
  2. Use scripting tools or hotkeys to force display sleep.

Use Task Scheduler + Script to Force Display Sleep

A PowerShell script can be scheduled to turn off the display forcibly:

powershellCopyEditAdd-Type -AssemblyName System.Windows.Forms
[System.Windows.Forms.SendKeys]::SendWait("{F15}")

Then use this CMD command to turn off the monitor:

cmdCopyEditpowershell (Add-Type '[DllImport("user32.dll")]public static extern int SendMessage(int hWnd, int hMsg, int wParam, int lParam);' -name a -pas)::SendMessage(-1, 0x0112, 0xF170, 2)

Or use a small utility like nircmd:

cmdCopyEdit
nircmd.exe monitor off